Use linux /dev/input for global hotkeys instead of x11. This also works on wayland on any compositor

2 files changed, 28 insertions, 3 deletions

diff --git a/include/GlobalHotkeys.hpp b/include/GlobalHotkeys.hpp
index 020f5a5..662113e 100644
--- a/include/GlobalHotkeys.hpp
+++ b/include/GlobalHotkeys.hpp
@@ -19,9 +19,10 @@ namespace gsr {
         GlobalHotkeys& operator=(const GlobalHotkeys&) = delete;
         virtual ~GlobalHotkeys() = default;
 
-        virtual bool bind_key_press(Hotkey hotkey, const std::string &id, GlobalHotkeyCallback callback) = 0;
-        virtual void unbind_key_press(const std::string &id) = 0;
-        virtual void unbind_all_keys() = 0;
+        virtual bool bind_key_press(Hotkey hotkey, const std::string &id, GlobalHotkeyCallback callback) { (void)hotkey; (void)id; (void)callback; return false; }
+        virtual void unbind_key_press(const std::string &id) { (void)id; }
+        virtual void unbind_all_keys() {}
+        virtual bool bind_action(const std::string &id, GlobalHotkeyCallback callback) { (void)id; (void)callback; return false; };
         virtual void poll_events() = 0;
     };
 }
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diff --git a/include/GlobalHotkeysLinux.hpp b/include/GlobalHotkeysLinux.hpp
new file mode 100644
index 0000000..62da74e
--- /dev/null
+++ b/include/GlobalHotkeysLinux.hpp
@@ -0,0 +1,24 @@
+#pragma once
+
+#include "GlobalHotkeys.hpp"
+#include <unordered_map>
+#include <sys/types.h>
+
+namespace gsr {
+    class GlobalHotkeysLinux : public GlobalHotkeys {
+    public:
+        GlobalHotkeysLinux();
+        GlobalHotkeysLinux(const GlobalHotkeysLinux&) = delete;
+        GlobalHotkeysLinux& operator=(const GlobalHotkeysLinux&) = delete;
+        ~GlobalHotkeysLinux() override;
+
+        bool start();
+        bool bind_action(const std::string &id, GlobalHotkeyCallback callback) override;
+        void poll_events() override;
+    private:
+        pid_t process_id = 0;
+        int pipes[2];
+        FILE *read_file = nullptr;
+        std::unordered_map<std::string, GlobalHotkeyCallback> bound_actions_by_id;
+    };
+}
\ No newline at end of file